Betsol Associate Software Analyst Interview Questions and Answers

Round duration - 40 minutes
Round difficulty - Medium

Asked about time complexity of algorithm, puzzles, DBMS, cutting edge technologies etc. What are indexes?

Q1. 
Flip Bits Problem Explanation
Given an array of integers ARR of size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b...read more
Ans. 
Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.
• Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.

• Consider flipping a sub-array from index i to j and calculate the count of 1s in the resulting array.

• Return the maximum count of 1s obtained by flipping a sub-array at most once.
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Round duration - 20 minutes
Round difficulty - Medium

Asked 1 standard algorithm

Q1. 
Number of Islands Problem Statement
You are provided with a 2-dimensional matrix having N rows and M columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...read more
Ans. 
Count the number of islands in a 2D matrix of 1s and 0s.
• Iterate through the matrix and perform depth-first search (DFS) to find connected 1s.

• Mark visited cells to avoid redundant traversal.

• Increment island count whenever a new island is encountered.
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There are Verbal, logical reasoning, quantitative, coding questions (2 Qtns) and a descriptive essay on "How you used the pendamic duration for study" ( Minimum 200 words) required. And coding questions are DSA Medium level one was: " Find the maximum profit percentage during the buy and sell of stock of a company. ". Verbal round was mostly (4 -5 questions) on make meaning full sentence. All the first round test was conducted on "Xobin online test" platform.

Q1. There are two questions available 1. Write a business solution, technical solution using frontend or back-end technology to overcome the problem a) There is a new metro started in your city but the proble...read more
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Q2. 2nd question was find solution for dynamic seat booking and price change during booking of ticket for a cinema hall.
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Q1. Some questions on DSA like difference between merge sort and bubble sort. Sort available alphabets in a string array from vowel to consonant. In HR round HR will ask about your background and career then a...read more
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Easy coding questions

Q1. Cv based questions
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It was a normal aptitude test which has all the questions based on aptitude

Easy level 2 coding questions

Q1. It was a written exam where how to design a system was is considered and topics where given and asked to design the system
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Q1. Dsa technical questions and also questions based on system design round
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Q1. HR questions where asked which everyone will get from Google
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